Finding the Fourth Proportional to 374,532,226.56, 516,855,231.36 and 209,522,551.68
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Solution
The fourth proportional to 374,532,226.56, 516,855,231.36 and 209,522,551.68 is: 289,141,545.76
Step by Step Solution
- Step 1: Write the proportion equation
374,532,226.56 : 516,855,231.36 = 209,522,551.68 : x - Step 2: Convert to fraction form
374,532,226.56/516,855,231.36 = 209,522,551.68/x - Step 3: Cross multiply
374,532,226.56x = 516,855,231.36 × 209,522,551.68 - Step 4: Simplify right side
374,532,226.56x = 108,292,826,923,703,968 - Step 5: Solve for x
x = 108,292,826,923,703,968/374,532,226.56 - Step 6: Final answer
x = 289,141,545.76
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.